Finding the Fourth Proportional to 1,870.98, 2,799.51 and 1,174.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.98 : 2,799.51 = 1,174.39 : x
2. Step 2: Convert to fraction form
   1,870.98/2,799.51 = 1,174.39/x
3. Step 3: Cross multiply
   1,870.98x = 2,799.51 × 1,174.39
4. Step 4: Simplify right side
   1,870.98x = 3,287,711.75
5. Step 5: Solve for x
   x = 3,287,711.75/1,870.98
6. Step 6: Final answer
   x = 1,757.21